Eaglestar 4-Piston vs. Black Flow Meters for Your Fuel Dispensers

Aug 08, 2025

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At EAGLESTAR, precision fueling isn't just a goal; it's our engineering DNA. We power the core of reliable fuel dispensers, gas pumps, and refueling machines globally. What is Critical to every drop measured? The EAGLESTAR Flow Meter. Today, we're looking at two popular flow meters: the EAGLESTAR 4-Piston Flow Meter made from aluminum, and the EAGLESTAR Black Flow Meter made from cast iron. Choosing wisely impacts your gas station's efficiency. EAGLESTAR provides both, engineered for performance.

 

EAGLESTAR Fuel Dispenser

 

EAGLESTAR 4-Piston Flow Meter

  • Material: Precision-engineered Aluminum
  • Performance: Superior wear resistance means longevity under constant use at your fuel pump. Maintains exceptional accuracy (±0.1-0.2%) throughout its extended lifespan. The go-to choice for high-volume, demanding petrol pump environments.
  • Investment: Higher initial cost, outstanding long-term value.

 

EAGLESTAR 4-piston Flow Meter

 

 

EAGLESTAR Black Flow Meter​​

  • Material: Durable Cast Iron (painted black)
  • Performance: Matches the rated accuracy of the 4-Piston flow meter, both at ±0.1–0.2%. Its error usually grows more quickly over time than the 4-piston type. Prone to rust (careful monitoring in humid climates is key!), impacting longevity and calibration stability.
  • Investment: Lower upfront purchase price – a strong entry point.

 

For ultimate durability and sustained peak accuracy in critical fueling systems, the EAGLESTAR 4-Piston Flow Meter is top recommendation. When budgets are tight and conditions are carefully managed, the strong Black Flow Meter provides a solution designed by EAGLESTAR. Both reflect our commitment to powering the world's refueling machines. Trust EAGLESTAR expertise: choose the flow meter that propels your fuel dispenser reliability and profitability forward!